package servlet;

import pojo.Dept;
import service.DeptService;
import service.impl.DeptServiceImpl;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.util.List;

//注解
@WebServlet(urlPatterns = "/dept")
public class DeptServlet extends HttpServlet {
    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        doPost(req, resp);
    }


    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        //TODO
        DeptService deptService = new DeptServiceImpl();
        req.setCharacterEncoding("utf-8");
        String action = req.getParameter("action");
        //判断action区分操作
        if ("list2".equals(action)){
            String name = req.getParameter("name");

            Dept condition = new Dept(name);
            List<Dept> depts = deptService.findAll(condition);
            //把数据放到请求域
            req.setAttribute("depts", depts);
            req.setAttribute("condition",condition);

            req.getRequestDispatcher("/list2.jsp").forward(req, resp);
        } else if ("delete".equals(action)) {
            //获取参数
            String sid = req.getParameter("id");
            int id = Integer.parseInt(sid);
            int result = deptService.deleteDeptById(id);
            if (result>0){
                resp.sendRedirect("dept?action=list2");
            }else {

            }
        }else if ("add".equals(action)) {
            String name = req.getParameter("name");

            int result = deptService.addDept(new Dept(name));
            if (result>0){
                resp.sendRedirect("dept?action=list2");
            }else {

            }
        }
        else if ("toupdate".equals(action)) {
            String sid= req.getParameter("id");
            int id = Integer.parseInt(sid);

            Dept depts = deptService.findDeptById(id);


            //把数据放到请求域
            req.setAttribute("dept", depts);
            req.getRequestDispatcher("/updateDept.jsp").forward(req, resp);
        }else if ("update".equals(action)) {
            String sid = req.getParameter("id");
            int id = Integer.parseInt(sid);

            String name = req.getParameter("name");

            int result = deptService.updateDept(new Dept(id,name));
            if (result>0){
                resp.sendRedirect("dept?action=list2");
            }else {

            }
        }

    }
}
